保护测控单元的误差自动调整  

Automatic Error Adjustment of the Protective and Measuring Unit

作　　者：吴笃贵 

机构地区：[1]许继电气保护及自动化事业部,河南省许昌市461000

出　　处：《电力系统自动化》2005年第10期55-59,共5页Automation of Electric Power Systems

摘　　要：提出了一种利用数字滤波器对交流信号数据采集系统幅值和相位误差进行自动调整的新方法。给出了实现幅值和相位误差自动调整的数字滤波器数学模型,并结合具体实例介绍了数字滤波器的设计步骤。仿真结果证实了算法的有效性。This paper presents a new method for automatically adjusting the magnitude and the phase error of an alternative signal data acquisition system using the digital filter. A mathematical model for the digital filter implementing automatic magnitude and phase error adjustment is put forward and the design procedure of the digital filter with specific examples is described. Simulation results have proved the validity of the method proposed.

关 键 词：数字滤波器 数据采集系统 自动误差调整 

分 类 号：TM77[电气工程—电力系统及自动化]